挤奶 (jǐ nǎi) is a verb meaning 'to milk' — specifically, the physical act of extracting milk from a mammal such as a cow, goat, or buffalo. The first character 挤 (jǐ) means 'to squeeze', 'to press', or 'to extract by pressure', while 奶 (nǎi) means 'milk'. Together, they literally convey 'squeezing out milk'. This term is used primarily in agricultural, rural, or dairy-farming contexts, and may refer to either manual milking by hand or mechanical milking using equipment.

The word is neutral in register but carries a practical, concrete connotation — it’s rarely used metaphorically or in formal policy language. It appears frequently in descriptions of daily farm work, animal husbandry training, or documentaries about rural life. While traditionally associated with cows and goats, it can technically apply to any milk-producing mammal, though context usually makes the animal clear. Note that it does not imply ownership or commercial scale — a family raising one goat may still '挤奶' every morning.